Overview. Complex carbohydrates are made up of sugar molecules that are strung together in long, complex chains. Complex carbohydrates are found in foods such as peas, beans, whole grains, and vegetables.
Confidence votes 11.2K. Taught College level A&P for 27 years. The lens in the human eye is a convex lens, but it is flexible and when it is acted on by the ciliary muscle around it, the lens can be flattened to change the focus, or, when the muscle is relaxed, the lens can assume a more spherical shape.
Digital lenses offer the best vision across the entire lens surface. They offer the best optics, are glare free, and more scratch resistant than traditional lenses. They are available in both single vision and progressive styles. Digital lenses are the latest design improvement for progressive eyeglasses.